SVENSKA EXPEDITIONEN TILL M AGELL ANSLÄNDERNA. BD II. N:0 3. 47 



reddish spot just above each true Joint. The pedipalps are of 

 the same colour as the cauda. The lower surfaee is yellow. 

 The entire surfaee of the cephalothorax is finely granulär 

 without any glabrous area in front of the eyes. The abdo- 

 minal segments are minutely granulär above, the last however 

 coarser, and their hindmargin is a little corrugate (runzelig)). 



The upper caudal keels are quite obsolete. Reneath there 

 are no keels to be seen on the four proximal caudal segments. 

 The fifth however shows well developed lower lateral keels 

 which are strongly granulate and provided with a row of 

 setee. The upper lateral keels of this segment are substituted 

 each by a row of setse each implanted in a groove. The 

 whole lower surfaee of this segment is densely granulär and 

 carries some scattered setse. A slight trace of a median ele- 

 vation can also be seen corresponding to a median keel. The 

 lower and lateral surfaces of the first (proximal) caudal seg- 

 ment are almost glabrous but provided with some scattered 

 setse implanted in grooves. On the seconcl segment the number 

 of such setse has increased a little. on the third they are 

 rather numerous and partly arranged in longitudinal rows. 

 The fourth segment is almost covered with these setse beneath, 

 and the lateral keels, both upper and lower, are substituted 

 by rows of such setse. Kr^pelin does not mention such setse 

 in describing B. ehrenbergi but he says: Auffallend ist die 

 starke Körnelung auf den oberen Seitenflächen der ersten 

 2 — 3 Segmente der Cauda . Such a granulation is however 

 entirely wanting in our new species. 



The vesicle is small (a little more than 2 mm.), granulär 

 and setiferous. The aculeus is long (3 mm.), slender and 

 not much curved, its distal half is brown. 



The humerus is almost quadrangular with scattered setse 

 and the lower anterior keel granulate. the others are not 

 much developed. 



The brachium is short and thick with two obtuse ante- 

 rior keels, but the posterior surfaee is rounded. The hands and 

 digits are short and the granulation of the latter is like that 

 of B. ehrenbergi with one median row, and 7 outer and 7 

 inner lateral, rather large granulös. They are not lobate. 



Length of hand 3 mm., its breadth not quite 2 mm. 

 » movable finger 3 1 /2 mm. 

 immovable 2 1 '2 mm. 



